MERRY ZHECHAO RUAN
NPI 1770043473
Ophthalmology in Houston, TX

Q: What is Merry Ruan's NPI number?

The NPI number for Merry Ruan is 1770043473. It was assigned to this individual provider in the NPPES registry on March 20, 2019.

Q: What is Merry Ruan's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Merry Ruan was last updated on January 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 20, 2019PECOS EnrolledAccepts Medicare Assignment

81.31/100

CMS Quality Rating

2855 GRAMERCY ST, HOUSTON, TX 77025(713) 668-6828 Get Directions Write a Review

NPPES record last updated: January 31, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 7, 2024, Aug 9, 2023, Jun 21, 2023 and 2 more (5 updates tracked since 2019).

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About Merry Zhechao Ruan NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MERRY ZHECHAO RUAN (NPI 1770043473) is an individual ophthalmology provider in Houston, Texas, licensed in Texas (V1603) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (2019).

NPPES Registry Identity

NPI1770043473

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameMERRY ZHECHAO RUAN

Location Address2855 GRAMERCY STHouston, TX 77025-1756

Mailing Address2855 Gramercy St Ste 400Houston, TX 77025-1756 · (713) 668-6828

Phone(713) 668-6828

Sole ProprietorNo

Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2019

Enumeration DateMarch 20, 2019

Last NPPES UpdateJanuary 31, 20255 updates tracked since enumeration

NPPES CertifiedJanuary 31, 2025

✔ NPI 1770043473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in TX · V1603

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

2855 GRAMERCY ST, Houston, TX 77025

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Merry Zhechao Ruan is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416356191

PECOS Enrollment IDI20240620000349

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

63 services62 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77025 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.31/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

78.45

Promoting Interoperability

100

Improvement Activities

Cost

50.59

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DEANNA I. PENA-GARCIA OD

Optometrist